package edu.zhku.date;

import java.util.Date;


public class TB {
	public static String Generate(){
		Date date = new Date();
		long minsecond = date.getTime();
		
		double random_num = Math.random();
		String randomstr = random_num + "";
		String Temp = randomstr.substring(2,8);
		
		String keyNum = minsecond + "" + Temp;
		return Temp;

	}	
}
